Re: Selects query inside function must read commited data

On Sun, 2004-01-25 at 16:31, V i s h a l Kashyap @ [Sai Hertz And
Control Systems] wrote:
> Dear Oliver Elphick  ,
> > > If I am not wrong PostgreSQL select statements works on committed data
> > > thus the new
> > > inserted data at #3 must not be available to sai_func_b() till #5
> > >
> > No.  All operations by a single transaction are visible inside the
> > transaction. Therefore an encapsulated function can see anything already
> > done in the whole transaction.  A function must be entirely inside a
> > transaction and cannot start a transaction, so there can never be any
> > problem about this.
> >
> Loads of thanks  for the kind reply .
> Would be greatefull if you kindly post some links/refrences to support
> your answer for the said.

It's in the manual, somewhere; or try it and verify that what I say is
correct.
--
Oliver Elphick                                Oliver.Elphick@lfix.co.uk
Isle of Wight, UK                             http://www.lfix.co.uk/oliver
GPG: 1024D/3E1D0C1C: CA12 09E0 E8D5 8870 5839  932A 614D 4C34 3E1D 0C1C
                 ========================================
     "My little children, let us not love in word, neither
      in tongue; but in deed and in truth."
                                            I John 3:18